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Jochen Friedrichb72dbae2009-02-02 14:50:09 -03001/*
2 * Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner
3 *
4 * Copyright (c) 2009 Jochen Friedrich <jochen@scram.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 *
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
20 */
21
22#ifndef MC44S803_PRIV_H
23#define MC44S803_PRIV_H
24
25/* This driver is based on the information available in the datasheet
26 http://www.freescale.com/files/rf_if/doc/data_sheet/MC44S803.pdf
27
28 SPI or I2C Address : 0xc0-0xc6
29
30 Reg.No | Function
31 -------------------------------------------
32 00 | Power Down
33 01 | Reference Oszillator
34 02 | Reference Dividers
35 03 | Mixer and Reference Buffer
36 04 | Reset/Serial Out
37 05 | LO 1
38 06 | LO 2
39 07 | Circuit Adjust
40 08 | Test
41 09 | Digital Tune
42 0A | LNA AGC
43 0B | Data Register Address
44 0C | Regulator Test
45 0D | VCO Test
46 0E | LNA Gain/Input Power
47 0F | ID Bits
48
49*/
50
51#define MC44S803_OSC 26000000 /* 26 MHz */
52#define MC44S803_IF1 1086000000 /* 1086 MHz */
53#define MC44S803_IF2 36125000 /* 36.125 MHz */
54
55#define MC44S803_REG_POWER 0
56#define MC44S803_REG_REFOSC 1
57#define MC44S803_REG_REFDIV 2
58#define MC44S803_REG_MIXER 3
59#define MC44S803_REG_RESET 4
60#define MC44S803_REG_LO1 5
61#define MC44S803_REG_LO2 6
62#define MC44S803_REG_CIRCADJ 7
63#define MC44S803_REG_TEST 8
64#define MC44S803_REG_DIGTUNE 9
65#define MC44S803_REG_LNAAGC 0x0A
66#define MC44S803_REG_DATAREG 0x0B
67#define MC44S803_REG_REGTEST 0x0C
68#define MC44S803_REG_VCOTEST 0x0D
69#define MC44S803_REG_LNAGAIN 0x0E
70#define MC44S803_REG_ID 0x0F
71
72/* Register definitions */
73#define MC44S803_ADDR 0x0F
74#define MC44S803_ADDR_S 0
75/* REG_POWER */
76#define MC44S803_POWER 0xFFFFF0
77#define MC44S803_POWER_S 4
78/* REG_REFOSC */
79#define MC44S803_REFOSC 0x1FF0
80#define MC44S803_REFOSC_S 4
81#define MC44S803_OSCSEL 0x2000
82#define MC44S803_OSCSEL_S 13
83/* REG_REFDIV */
84#define MC44S803_R2 0x1FF0
85#define MC44S803_R2_S 4
86#define MC44S803_REFBUF_EN 0x2000
87#define MC44S803_REFBUF_EN_S 13
88#define MC44S803_R1 0x7C000
89#define MC44S803_R1_S 14
90/* REG_MIXER */
91#define MC44S803_R3 0x70
92#define MC44S803_R3_S 4
93#define MC44S803_MUX3 0x80
94#define MC44S803_MUX3_S 7
95#define MC44S803_MUX4 0x100
96#define MC44S803_MUX4_S 8
97#define MC44S803_OSC_SCR 0x200
98#define MC44S803_OSC_SCR_S 9
99#define MC44S803_TRI_STATE 0x400
100#define MC44S803_TRI_STATE_S 10
101#define MC44S803_BUF_GAIN 0x800
102#define MC44S803_BUF_GAIN_S 11
103#define MC44S803_BUF_IO 0x1000
104#define MC44S803_BUF_IO_S 12
105#define MC44S803_MIXER_RES 0xFE000
106#define MC44S803_MIXER_RES_S 13
107/* REG_RESET */
108#define MC44S803_RS 0x10
109#define MC44S803_RS_S 4
110#define MC44S803_SO 0x20
111#define MC44S803_SO_S 5
112/* REG_LO1 */
113#define MC44S803_LO1 0xFFF0
114#define MC44S803_LO1_S 4
115/* REG_LO2 */
116#define MC44S803_LO2 0x7FFF0
117#define MC44S803_LO2_S 4
118/* REG_CIRCADJ */
119#define MC44S803_G1 0x20
120#define MC44S803_G1_S 5
121#define MC44S803_G3 0x80
122#define MC44S803_G3_S 7
123#define MC44S803_CIRCADJ_RES 0x300
124#define MC44S803_CIRCADJ_RES_S 8
125#define MC44S803_G6 0x400
126#define MC44S803_G6_S 10
127#define MC44S803_G7 0x800
128#define MC44S803_G7_S 11
129#define MC44S803_S1 0x1000
130#define MC44S803_S1_S 12
131#define MC44S803_LP 0x7E000
132#define MC44S803_LP_S 13
133#define MC44S803_CLRF 0x80000
134#define MC44S803_CLRF_S 19
135#define MC44S803_CLIF 0x100000
136#define MC44S803_CLIF_S 20
137/* REG_TEST */
138/* REG_DIGTUNE */
139#define MC44S803_DA 0xF0
140#define MC44S803_DA_S 4
141#define MC44S803_XOD 0x300
142#define MC44S803_XOD_S 8
143#define MC44S803_RST 0x10000
144#define MC44S803_RST_S 16
145#define MC44S803_LO_REF 0x1FFF00
146#define MC44S803_LO_REF_S 8
147#define MC44S803_AT 0x200000
148#define MC44S803_AT_S 21
149#define MC44S803_MT 0x400000
150#define MC44S803_MT_S 22
151/* REG_LNAAGC */
152#define MC44S803_G 0x3F0
153#define MC44S803_G_S 4
154#define MC44S803_AT1 0x400
155#define MC44S803_AT1_S 10
156#define MC44S803_AT2 0x800
157#define MC44S803_AT2_S 11
158#define MC44S803_HL_GR_EN 0x8000
159#define MC44S803_HL_GR_EN_S 15
160#define MC44S803_AGC_AN_DIG 0x10000
161#define MC44S803_AGC_AN_DIG_S 16
162#define MC44S803_ATTEN_EN 0x20000
163#define MC44S803_ATTEN_EN_S 17
164#define MC44S803_AGC_READ_EN 0x40000
165#define MC44S803_AGC_READ_EN_S 18
166#define MC44S803_LNA0 0x80000
167#define MC44S803_LNA0_S 19
168#define MC44S803_AGC_SEL 0x100000
169#define MC44S803_AGC_SEL_S 20
170#define MC44S803_AT0 0x200000
171#define MC44S803_AT0_S 21
172#define MC44S803_B 0xC00000
173#define MC44S803_B_S 22
174/* REG_DATAREG */
175#define MC44S803_D 0xF0
176#define MC44S803_D_S 4
177/* REG_REGTEST */
178/* REG_VCOTEST */
179/* REG_LNAGAIN */
180#define MC44S803_IF_PWR 0x700
181#define MC44S803_IF_PWR_S 8
182#define MC44S803_RF_PWR 0x3800
183#define MC44S803_RF_PWR_S 11
184#define MC44S803_LNA_GAIN 0xFC000
185#define MC44S803_LNA_GAIN_S 14
186/* REG_ID */
187#define MC44S803_ID 0x3E00
188#define MC44S803_ID_S 9
189
190/* Some macros to read/write fields */
191
192/* First shift, then mask */
193#define MC44S803_REG_SM(_val, _reg) \
194 (((_val) << _reg##_S) & (_reg))
195
196/* First mask, then shift */
197#define MC44S803_REG_MS(_val, _reg) \
198 (((_val) & (_reg)) >> _reg##_S)
199
200struct mc44s803_priv {
201 struct mc44s803_config *cfg;
202 struct i2c_adapter *i2c;
203 struct dvb_frontend *fe;
204
205 u32 frequency;
206};
207
208#endif